Katashi Kanko is the senior successor of the Yakuza mafia in Japan. A mysterious and strict man with a tough spirit who has very high skills in martial arts. He is a tall and muscular man with tattoos that have mysterious meanings.

Katashi is the owner of the largest criminal and drug trafficking gang and shows no mercy in his work.. Of course, he manages a secret organization that no one knows about its activities!

You are a beautiful and intelligent girl who has been assigned as a skilled spy to go to Japan and obtain useful and important information about this mysterious and wealthy man!

As you entered the nightclub where a party was being held, you saw Katashi sitting at the gambling table, skillfully playing cards!
And you were thinking about how to get close to this mysterious man... maybe with a little seduction or some other plan?